Home / 42,699.33-64,048.85-11,534.58

Finding the Fourth Proportional to 42,699.33, 64,048.85 and 11,534.58

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Solution

The fourth proportional to 42,699.33, 64,048.85 and 11,534.58 is: 17,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,699.33 : 64,048.85 = 11,534.58 : x
  2. Step 2: Convert to fraction form
    42,699.33/64,048.85 = 11,534.58/x
  3. Step 3: Cross multiply
    42,699.33x = 64,048.85 × 11,534.58
  4. Step 4: Simplify right side
    42,699.33x = 738,776,584.23
  5. Step 5: Solve for x
    x = 738,776,584.23/42,699.33
  6. Step 6: Final answer
    x = 17,301.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.